xref: /openbmc/linux/drivers/cpufreq/Kconfig.arm (revision c819e2cf)
1#
2# ARM CPU Frequency scaling drivers
3#
4
5# big LITTLE core layer and glue drivers
6config ARM_BIG_LITTLE_CPUFREQ
7	tristate "Generic ARM big LITTLE CPUfreq driver"
8	depends on ARM && BIG_LITTLE && ARM_CPU_TOPOLOGY && HAVE_CLK
9	select PM_OPP
10	help
11	  This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
12
13config ARM_DT_BL_CPUFREQ
14	tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver"
15	depends on ARM_BIG_LITTLE_CPUFREQ && OF
16	help
17	  This enables probing via DT for Generic CPUfreq driver for ARM
18	  big.LITTLE platform. This gets frequency tables from DT.
19
20config ARM_VEXPRESS_SPC_CPUFREQ
21        tristate "Versatile Express SPC based CPUfreq driver"
22	depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
23        help
24          This add the CPUfreq driver support for Versatile Express
25	  big.LITTLE platforms using SPC for power management.
26
27
28config ARM_EXYNOS_CPUFREQ
29	bool
30
31config ARM_EXYNOS4210_CPUFREQ
32	bool "SAMSUNG EXYNOS4210"
33	depends on CPU_EXYNOS4210
34	default y
35	select ARM_EXYNOS_CPUFREQ
36	help
37	  This adds the CPUFreq driver for Samsung EXYNOS4210
38	  SoC (S5PV310 or S5PC210).
39
40	  If in doubt, say N.
41
42config ARM_EXYNOS4X12_CPUFREQ
43	bool "SAMSUNG EXYNOS4x12"
44	depends on SOC_EXYNOS4212 || SOC_EXYNOS4412
45	default y
46	select ARM_EXYNOS_CPUFREQ
47	help
48	  This adds the CPUFreq driver for Samsung EXYNOS4X12
49	  SoC (EXYNOS4212 or EXYNOS4412).
50
51	  If in doubt, say N.
52
53config ARM_EXYNOS5250_CPUFREQ
54	bool "SAMSUNG EXYNOS5250"
55	depends on SOC_EXYNOS5250
56	default y
57	select ARM_EXYNOS_CPUFREQ
58	help
59	  This adds the CPUFreq driver for Samsung EXYNOS5250
60	  SoC.
61
62	  If in doubt, say N.
63
64config ARM_EXYNOS5440_CPUFREQ
65	bool "SAMSUNG EXYNOS5440"
66	depends on SOC_EXYNOS5440
67	depends on HAVE_CLK && OF
68	select PM_OPP
69	default y
70	help
71	  This adds the CPUFreq driver for Samsung EXYNOS5440
72	  SoC. The nature of exynos5440 clock controller is
73	  different than previous exynos controllers so not using
74	  the common exynos framework.
75
76	  If in doubt, say N.
77
78config ARM_EXYNOS_CPU_FREQ_BOOST_SW
79	bool "EXYNOS Frequency Overclocking - Software"
80	depends on ARM_EXYNOS_CPUFREQ && THERMAL
81	select CPU_FREQ_BOOST_SW
82	select EXYNOS_THERMAL
83	help
84	  This driver supports software managed overclocking (BOOST).
85	  It allows usage of special frequencies for Samsung Exynos
86	  processors if thermal conditions are appropriate.
87
88	  It requires, for safe operation, thermal framework with properly
89	  defined trip points.
90
91	  If in doubt, say N.
92
93config ARM_HIGHBANK_CPUFREQ
94	tristate "Calxeda Highbank-based"
95	depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
96	default m
97	help
98	  This adds the CPUFreq driver for Calxeda Highbank SoC
99	  based boards.
100
101	  If in doubt, say N.
102
103config ARM_IMX6Q_CPUFREQ
104	tristate "Freescale i.MX6 cpufreq support"
105	depends on ARCH_MXC
106	depends on REGULATOR_ANATOP
107	select PM_OPP
108	help
109	  This adds cpufreq driver support for Freescale i.MX6 series SoCs.
110
111	  If in doubt, say N.
112
113config ARM_INTEGRATOR
114	tristate "CPUfreq driver for ARM Integrator CPUs"
115	depends on ARCH_INTEGRATOR
116	default y
117	help
118	  This enables the CPUfreq driver for ARM Integrator CPUs.
119	  If in doubt, say Y.
120
121config ARM_KIRKWOOD_CPUFREQ
122	def_bool MACH_KIRKWOOD
123	help
124	  This adds the CPUFreq driver for Marvell Kirkwood
125	  SoCs.
126
127config ARM_OMAP2PLUS_CPUFREQ
128	bool "TI OMAP2+"
129	depends on ARCH_OMAP2PLUS
130	default ARCH_OMAP2PLUS
131
132config ARM_S3C_CPUFREQ
133	bool
134	help
135	  Internal configuration node for common cpufreq on Samsung SoC
136
137config ARM_S3C24XX_CPUFREQ
138	bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
139	depends on ARCH_S3C24XX
140	select ARM_S3C_CPUFREQ
141	help
142	  This enables the CPUfreq driver for the Samsung S3C24XX family
143	  of CPUs.
144
145	  For details, take a look at <file:Documentation/cpu-freq>.
146
147	  If in doubt, say N.
148
149config ARM_S3C24XX_CPUFREQ_DEBUG
150	bool "Debug CPUfreq Samsung driver core"
151	depends on ARM_S3C24XX_CPUFREQ
152	help
153	  Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
154
155config ARM_S3C24XX_CPUFREQ_IODEBUG
156	bool "Debug CPUfreq Samsung driver IO timing"
157	depends on ARM_S3C24XX_CPUFREQ
158	help
159	  Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
160
161config ARM_S3C24XX_CPUFREQ_DEBUGFS
162	bool "Export debugfs for CPUFreq"
163	depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
164	help
165	  Export status information via debugfs.
166
167config ARM_S3C2410_CPUFREQ
168	bool
169	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
170	select S3C2410_CPUFREQ_UTILS
171	help
172	  CPU Frequency scaling support for S3C2410
173
174config ARM_S3C2412_CPUFREQ
175	bool
176	depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
177	default y
178	select S3C2412_IOTIMING
179	help
180	  CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
181
182config ARM_S3C2416_CPUFREQ
183	bool "S3C2416 CPU Frequency scaling support"
184	depends on CPU_S3C2416
185	help
186	  This adds the CPUFreq driver for the Samsung S3C2416 and
187	  S3C2450 SoC. The S3C2416 supports changing the rate of the
188	  armdiv clock source and also entering a so called dynamic
189	  voltage scaling mode in which it is possible to reduce the
190	  core voltage of the CPU.
191
192	  If in doubt, say N.
193
194config ARM_S3C2416_CPUFREQ_VCORESCALE
195	bool "Allow voltage scaling for S3C2416 arm core"
196	depends on ARM_S3C2416_CPUFREQ && REGULATOR
197	help
198	  Enable CPU voltage scaling when entering the dvs mode.
199	  It uses information gathered through existing hardware and
200	  tests but not documented in any datasheet.
201
202	  If in doubt, say N.
203
204config ARM_S3C2440_CPUFREQ
205	bool "S3C2440/S3C2442 CPU Frequency scaling support"
206	depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
207	select S3C2410_CPUFREQ_UTILS
208	default y
209	help
210	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
211
212config ARM_S3C64XX_CPUFREQ
213	bool "Samsung S3C64XX"
214	depends on CPU_S3C6410
215	default y
216	help
217	  This adds the CPUFreq driver for Samsung S3C6410 SoC.
218
219	  If in doubt, say N.
220
221config ARM_S5PV210_CPUFREQ
222	bool "Samsung S5PV210 and S5PC110"
223	depends on CPU_S5PV210
224	default y
225	help
226	  This adds the CPUFreq driver for Samsung S5PV210 and
227	  S5PC110 SoCs.
228
229	  If in doubt, say N.
230
231config ARM_SA1100_CPUFREQ
232	bool
233
234config ARM_SA1110_CPUFREQ
235	bool
236
237config ARM_SPEAR_CPUFREQ
238	bool "SPEAr CPUFreq support"
239	depends on PLAT_SPEAR
240	default y
241	help
242	  This adds the CPUFreq driver support for SPEAr SOCs.
243
244config ARM_TEGRA_CPUFREQ
245	bool "TEGRA CPUFreq support"
246	depends on ARCH_TEGRA
247	default y
248	help
249	  This adds the CPUFreq driver support for TEGRA SOCs.
250
251config ARM_PXA2xx_CPUFREQ
252	tristate "Intel PXA2xx CPUfreq driver"
253	depends on PXA27x || PXA25x
254	help
255	  This add the CPUFreq driver support for Intel PXA2xx SOCs.
256
257	  If in doubt, say N.
258